/ Thesaurus / B Synonyms of baby sitter Find synonyms for: Noun1. babysitter, baby-sitter, sitter, keeperusage: a person engaged to care for children when the parents are not homeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language